5-(Difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine-4-acetonitrile
5-(Difluoromethyl)-3-methoxy-4-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 6-(difluoromethyl)-3-methyl-2-nitropyridine-4-acetate
Ethyl 2-(difluoromethyl)-5-methyl-4-nitropyridine-3-acetate